<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../../react18/react.development.js"></script>
    <script src="../../react18/react-dom.development.js"></script>
    <style>
        .outer {
            width: 200px;
            height: 200px;
            background-color: skyblue;
        }
    </style>
</head>

<body>
    <div id="app"></div>
    <script>
        const vDom = React.createElement('h1', { className: "outer" }, "hello word"
        ,React.createElement("div",{},"李白"))
        const root = ReactDOM.createRoot(document.getElementById('app')).render(vDom)
    </script>
</body>

</html>